CN117288637B - High-temperature vacuum contact angle wetting analysis instrument - Google Patents
High-temperature vacuum contact angle wetting analysis instrument Download PDFInfo
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- CN117288637B CN117288637B CN202311418334.6A CN202311418334A CN117288637B CN 117288637 B CN117288637 B CN 117288637B CN 202311418334 A CN202311418334 A CN 202311418334A CN 117288637 B CN117288637 B CN 117288637B
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- 238000009736 wetting Methods 0.000 title claims abstract description 30
- 238000004458 analytical method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 29
- 238000007599 discharging Methods 0.000 claims description 27
- 239000003921 oil Substances 0.000 claims description 26
- 238000003032 molecular docking Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 21
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 claims description 16
- 239000011229 interlayer Substances 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 7
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- 239000010410 layer Substances 0.000 claims description 2
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- 238000000034 method Methods 0.000 abstract description 13
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- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- 238000012634 optical imaging Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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Abstract
The invention relates to the field of high-temperature vacuum wetting angle detection equipment, in particular to a high-temperature vacuum contact angle wetting analysis instrument, which comprises a rack, a water cooling system, a vacuum system and a high-temperature vacuum furnace module, and has the beneficial effects that: divide into furnace tube inner chamber and furnace body outer chamber with high temperature vacuum furnace module, guarantee that the sample is located in a cleaner environment, and improve the vacuum, and because furnace tube inner chamber and furnace body outer chamber all have very high vacuum, the pressure differential of the inside and outside wall of vacuum furnace tube can be ignored, can not receive outside extrusion at the in-process of high temperature, and inside and outside confined environment can guarantee the cleanness of experimental process, make the vacuum better, in addition, utilize long-range feeding mechanism, can make sample placement machine construct and move on the blowing pole, thereby shortened the motion stroke of blowing pole, not only be favorable to personnel's convenient operation, still make the volume of vacuum furnace tube reduce, thereby efficiency when having improved the evacuation.
Description
Technical Field
The invention relates to the technical field of high-temperature vacuum wetting angle detection equipment, in particular to a high-temperature vacuum contact angle wetting analysis instrument.
Background
The contact angle refers to the tangent line of the gas-liquid interface at the intersection point of gas, liquid and solid, and the measurement of the contact angle of the tangent line between the liquid and the solid-liquid boundary line is the main method for detecting the surface performance nowadays. The contact angle measuring instrument adopts the principle of optical imaging, and the device adopts an image contour analysis method to measure the properties of the surface contact angle, wettability, surface interfacial tension, advancing and retreating angles, surface energy and the like of a sample. The contact angle measuring instrument is widely applied to various industries, such as mobile phone manufacturing, glass manufacturing, surface treatment, material research, chemical industry, semiconductor manufacturing, coating ink, electronic circuits, textile fibers, biomedical and the like, wherein the high-temperature vacuum contact angle wetting analysis instrument can measure the contact angle, surface tension, hemispherical melting point and the like of metal and slag under the high-temperature high-vacuum or inert gas protection environment, and the contact angle measurement is an important instrument for evaluating the surface performance at present.
The conventional high-temperature vacuum contact angle detection device is usually heated by a tube furnace, and a sample is placed in a heat tube for heating detection, so that the device has a simple structure and is easy to operate, however, the heating mode has some problems and limitations, such as:
1. The furnace tube is heated by the silicon-molybdenum rod in one heat preservation chamber, if vacuum heating is needed, the interior of the furnace tube can only be vacuumized, the pressure outside the furnace tube cannot be regulated and controlled, the pressure inside and outside the furnace tube can be uneven, the furnace tube is easily affected by stress under the action of the difference between the internal pressure and the external pressure and the high-temperature environment, the service life of the furnace tube is shortened, and the collapse and the damage of the furnace tube in the heating process can be possibly caused.
2. At present, when the high-temperature contact angle detection is carried out on a metal material, a metal sample is required to be placed in a tube furnace of a high-temperature furnace, and because the length of the tube furnace of the conventional high-temperature vacuum contact angle measuring instrument is longer, the movement stroke of a discharging tube is larger in the process of lofting and sampling, so that the operation of workers is not facilitated, the tube furnace is larger in capacity, the consumed time is longer in vacuumizing, and the detection efficiency is reduced.
In view of the above, the invention provides a high-temperature vacuum contact angle wetting analysis instrument, which aims to divide a high-temperature vacuum furnace module into a furnace tube inner cavity and a furnace body outer cavity (the furnace tube inner cavity is the inner part of an inner cavity shell, and the furnace tube outer cavity is the inner part of a vacuum furnace tube), ensure that a sample is in a cleaner environment and improve the vacuum degree, and can flush different gases in the vacuum cavity under the requirements of different clients, and design two vacuum cavities to protect rare gases from reacting with a heated silicon molybdenum rod so as to influence the service life. Because the furnace tube inner cavity and the furnace body outer cavity are high in vacuum degree, the pressure difference between the inner wall and the outer wall of the vacuum furnace tube can be ignored, the vacuum furnace tube can not be extruded outside in the high-temperature process, and the inside and outside closed environment can ensure the cleanness in the experimental process, so that the vacuum degree is better, the furnace tube inner cavity and the furnace body outer cavity are independently sealed and isolated, and the silicon-molybdenum heating rod heats a sample in a heat radiation mode. In addition, the high-temperature vacuum furnace module adopts the sandwich design, is the sandwich that outer chamber shell and inner chamber shell formed, can carry out circulative cooling through water receiving end and drainage end in the sandwich with the water in the water cooling system, be used for protecting the inner wall and other sealing members of boiler tube inner chamber, improve the life of this high-temperature vacuum contact angle wetting analysis instrument, in addition, utilize long-range feeding mechanism, can make sample placement mechanism move on the blowing pole, thereby the motion stroke of blowing pole has been shortened, not only be favorable to personnel's convenient operation, still make the volume of vacuum boiler tube reduce, thereby efficiency when having increased the evacuation, in addition, the vacuum boiler tube has reduced inside gas pressure when the evacuation, thereby make the sliding sleeve receive outside pressure effect, move to the direction of vacuum boiler tube, thereby better sealing performance has been provided.
Disclosure of Invention
In order to solve the problems, the application provides a high-temperature vacuum contact angle wetting analysis instrument, which solves the problems that the prior high-temperature vacuum contact angle detection equipment is commonly used in a tubular furnace heating mode, a silicon-molybdenum rod is used for heating a furnace tube in a heat preservation chamber, if vacuum heating is needed, only the inside of the furnace tube can be vacuumized, the pressure outside the furnace tube cannot be regulated and controlled, the pressure inside and outside the furnace tube is not uniform, the furnace tube is easily influenced by stress under the action of the difference of the internal pressure and the external pressure and the high-temperature environment, so that the service life of the furnace tube is shortened, and the situation that the furnace tube is collapsed and damaged in the heating process is likely to occur.
The utility model provides a high temperature vacuum contact angle wetting analysis instrument, includes frame, water cooling system, vacuum system and high temperature vacuum furnace module, the top of frame is provided with the camera lens detection module, water cooling system can cool off high temperature vacuum furnace module, vacuum system provides the vacuum environment for high temperature vacuum furnace module, one side of high temperature vacuum furnace module just is provided with long-range feeding mechanism at the top of frame, one side of high temperature vacuum furnace module is provided with docking mechanism, docking mechanism's outer wall is provided with sealing mechanism, docking mechanism's inside is provided with sample and places the mechanism; the high-temperature vacuum furnace module is assembled into an interlayer formed by the outer cavity shell and the inner cavity shell, and can enable water in the water cooling system to be circularly cooled in the interlayer through the water receiving end and the water draining end; the vacuum furnace tube is assembled into a furnace tube inner cavity and a furnace tube outer cavity through an inner cavity shell, the furnace tube inner cavity and the furnace tube outer cavity are independently sealed and isolated from each other, and a silicon-molybdenum heating rod heats a sample in the vacuum furnace tube in a heat radiation mode; the remote feeding mechanism is assembled to be pushed by the electric push rod to push the docking mechanism to one end of the vacuum furnace tube for docking, and meanwhile, the motion plug slides in the liquid oil tube, so that the sample placing mechanism can move to the middle part of the vacuum furnace tube; the slide bar can slide in the discharging rod, and the position of the sample placing mechanism is controlled through the movement of the movement plug; and the sealing mechanism is arranged to enable the sliding sleeve to approach the vacuum furnace tube under the action of external pressure along with the reduction of the internal air pressure of the vacuum furnace tube when the vacuum furnace tube is vacuumized, so that better sealing performance is provided.
Further, the high-temperature vacuum furnace module comprises a base box, base box fixedly connected with is at the top of frame, the top fixedly connected with shell of base box, the inside fixedly connected with outer chamber shell of shell, the inside fixedly connected with inner chamber shell of outer chamber shell, the inside fixedly connected with of inner chamber shell keeps warm cotton bench, and the inside of one of them keeps warm cotton bench is provided with a plurality of silicon molybdenum heating rods, outer chamber shell and inner chamber shell form an intermediate layer, the outer wall fixed mounting of outer chamber shell has water receiving end and drainage end, water receiving end and drainage end all dock with water cooling system, the inside fixedly connected with vacuum furnace tube of shell, the inside of vacuum furnace tube is the boiler tube outer chamber, the inside of inner chamber shell is the boiler tube inner chamber, boiler tube inner chamber and the outer chamber of furnace body all can provide vacuum environment by vacuum system.
Further, the remote feeding mechanism comprises an electric push rod, the electric push rod is fixedly connected to the top of the frame and located in the base box, a fixing plate is fixedly connected to the telescopic end of the electric push rod, the fixing plate is in sliding connection with the base box, and a connecting plate is fixedly connected to one end of the fixing plate.
Further, docking mechanism includes the fixed pipe, fixed pipe fixed connection is in the top of connecting plate, the one end fixedly connected with holding ring of fixed pipe, the inside fixedly connected with of holding ring two blowing poles, the inside sliding connection of blowing pole has the slide bar, the one end fixedly connected with slide of slide bar.
Further, the sample placement mechanism comprises two sliding blocks, the sliding blocks are connected to the inside of the discharging rod in a sliding mode, one side of each sliding block is fixedly connected with the sliding plate, and the top of each sliding block is fixedly connected with the discharging table.
Further, top fixedly connected with bracket and fixed plate of frame, the top fixedly connected with liquid oil pipe of bracket, liquid oil pipe's inside sliding connection has the motion stopper, the one end and the connecting plate fixed connection of motion stopper, liquid oil pipe's inside grafting has the conveyer pipe, the other end of conveyer pipe is pegged graft respectively in the one end of two blowing poles, liquid oil pipe's outer wall fixedly connected with oil inlet.
Further, the inside fixedly connected with stroke track of base case, the sliding connection has the slip table in the orbital spout of stroke, slip table and fixed plate fixed connection.
Further, one side of the fixing plate is fixedly connected with a corrugated bag, and the other end of the corrugated bag is fixedly connected with the connecting plate.
Further, sealing mechanism includes the axle sleeve, axle sleeve fixedly connected with is in the outer wall of fixed pipe, the one end fixedly connected with spring of axle sleeve, the other end fixedly connected with slip cap of spring, slip cap sliding connection is in the outer wall of fixed pipe, the outer wall of slip cap is equipped with the rubber ring, when the one end of fixed pipe and vacuum furnace tube dock, the slip cap is located the inside of vacuum furnace tube.
The beneficial effects of the invention are as follows:
(1) The high-temperature vacuum contact angle wetting analysis instrument divides the high-temperature vacuum furnace module into the furnace tube inner cavity and the furnace body outer cavity (the furnace tube inner cavity is the inner part of the inner cavity shell, the furnace tube outer cavity is the inner part of the vacuum furnace tube), so that a sample is in a cleaner environment, the vacuum degree is improved, different gases can be injected into the vacuum cavity under the requirements of different customers, and the two vacuum cavities are designed to protect rare gases from reacting with a heated silicon molybdenum rod, so that the service life is influenced. Because the furnace tube inner cavity and the furnace body outer cavity are high in vacuum degree, the pressure difference between the inner wall and the outer wall of the vacuum furnace tube can be ignored, the vacuum furnace tube can not be extruded outside in the high-temperature process, and the inside and outside closed environment can ensure the cleanness in the experimental process, so that the vacuum degree is better, the furnace tube inner cavity and the furnace body outer cavity are independently sealed and isolated, and the silicon-molybdenum heating rod heats a sample in a heat radiation mode.
(2) The high-temperature vacuum contact angle wetting analysis instrument adopts an interlayer design, is an interlayer formed by an outer cavity shell and an inner cavity shell, and can circularly cool water in a water cooling system in the interlayer through a water receiving end and a water draining end, so that the inner wall of an inner cavity of a furnace tube and other sealing parts are protected, and the service life of the high-temperature vacuum contact angle wetting analysis instrument is prolonged.
(3) According to the high-temperature vacuum contact angle wetting analysis instrument, the remote feeding mechanism is utilized, so that the sample placing mechanism can move on the discharging rod, the movement stroke of the discharging rod is shortened, the convenient operation of personnel is facilitated, the volume of the vacuum furnace tube is reduced, the efficiency in vacuumizing is improved, in addition, the internal gas pressure is reduced when the vacuum furnace tube is vacuumized, the sliding sleeve is enabled to move towards the direction of the vacuum furnace tube under the action of external pressure, and therefore better sealing performance is provided.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a cross-sectional view of the high temperature vacuum furnace module provided by the invention when in butt joint with a butt joint mechanism;
FIG. 3 is a cross-sectional view of the high temperature vacuum furnace module provided by the invention when not in butt joint with a butt joint mechanism;
FIG. 4 is a schematic diagram of a remote feeding mechanism according to the present invention;
FIG. 5 is a schematic view of another angle structure of the remote feeding mechanism according to the present invention;
FIG. 6 is a schematic diagram of a high temperature vacuum furnace module according to the present invention;
FIG. 7 is a cross-sectional view of the remote feed mechanism and docking mechanism and sealing mechanism provided by the present invention;
FIG. 8 is a schematic view of a docking mechanism according to the present invention;
FIG. 9 is an enlarged view of the portion A of FIG. 8 provided by the present invention;
Fig. 10 is a cross-sectional view of the positions of the water receiving end and the water discharging end provided by the invention.
In the figure: 1. a frame; 2. a water cooling system; 3. a vacuum system; 4. a high temperature vacuum furnace module; 401. a housing; 402. an outer chamber housing; 403. an inner chamber shell; 404. a heat-insulating cotton table; 405. a silicon molybdenum heating rod; 406. a base box; 407. a water receiving end; 408. a drainage end; 409. a vacuum furnace tube; 5. a lens detection module; 6. a remote feeding mechanism; 601. a connecting plate; 602. a fixing plate; 603. a corrugated bag; 604. a bracket; 605. a liquid oil pipe; 606. a motion plug; 607. a delivery tube; 608. an electric push rod; 609. a travel rail; 610. a sliding table; 7. a docking mechanism; 701. a fixed tube; 702. a positioning ring; 703. a discharging rod; 704. a slide plate; 705. a slide bar; 8. a sealing mechanism; 801. a shaft sleeve; 802. a spring; 803. a sliding sleeve; 9. a sample placement mechanism; 91. a slide block; 92. and a discharging table.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention.
Examples:
As shown in fig. 1-10, the embodiment of the invention provides a high-temperature vacuum contact angle wetting analysis instrument, which comprises a frame 1, a water cooling system 2, a vacuum system 3 and a high-temperature vacuum furnace module 4, wherein a lens detection module 5 is arranged at the top of the frame 1, the water cooling system 2 can cool the high-temperature vacuum furnace module 4, the vacuum system 3 provides a vacuum environment for the high-temperature vacuum furnace module 4, a remote feeding mechanism 6 is arranged at one side of the high-temperature vacuum furnace module 4 and positioned at the top of the frame 1, a docking mechanism 7 is arranged at one side of the high-temperature vacuum furnace module 4, a sealing mechanism 8 is arranged on the outer wall of the docking mechanism 7, and a sample placing mechanism 9 is arranged inside the docking mechanism 7; a high temperature vacuum furnace module 4 assembled as a sandwich formed by the outer cavity shell 402 and the inner cavity shell 403, capable of circulating water in the water cooling system 2 in the sandwich through the water receiving end 407 and the water discharging end 408; the vacuum furnace tube is assembled into a furnace tube inner cavity and a furnace tube outer cavity through the inner cavity shell 403 and the vacuum furnace tube 409, the furnace tube inner cavity and the furnace tube outer cavity are independently sealed and isolated from each other, and the silicon molybdenum heating rod 405 heats a sample in the vacuum furnace tube 409 in a heat radiation mode; the remote feeding mechanism 6 is assembled to push the docking mechanism 7 to one end of the vacuum furnace tube 409 by the pushing force of the electric push rod 608, and meanwhile, the motion plug 606 slides in the liquid oil tube 605, so that the sample placing mechanism 9 can move to the middle part of the vacuum furnace tube 409; a slide bar 705 capable of sliding inside the discharging rod 703 and controlling the position of the sample placement mechanism 9 by the movement of the movement plug 606; the sealing mechanism 8 is configured to provide better sealing performance when the vacuum furnace tube 409 is evacuated, and the sliding sleeve 803 approaches the vacuum furnace tube 409 under the action of external pressure as the internal air pressure of the vacuum furnace tube 409 decreases.
The high-temperature vacuum furnace module 4 comprises a base box 406, the base box 406 is fixedly connected to the top of the frame 1, the top of the base box 406 is fixedly connected with a shell 401, the inside of the shell 401 is fixedly connected with an outer cavity shell 402, the inside of the outer cavity shell 402 is fixedly connected with an inner cavity shell 403, the inside of the inner cavity shell 403 is fixedly connected with a plurality of heat-insulating cotton platforms 404, a plurality of silicon-molybdenum heating rods 405 are arranged in one heat-insulating cotton platform 404, the outer cavity shell 402 and the inner cavity shell 403 form an interlayer, a water receiving end 407 and a water draining end 408 are fixedly arranged on the outer wall of the outer cavity shell 402, the water receiving end 407 and the water draining end 408 are respectively connected with the water cooling system 2 in a butt joint mode, a vacuum furnace tube 409 is fixedly connected to the inside of the shell 401, a furnace tube outer cavity is arranged in the vacuum furnace tube 409, the inner cavity of the inner cavity shell 403 is a furnace tube inner cavity, and the outer cavity of the furnace tube can be provided with a vacuum environment by the vacuum system 3.
In this embodiment, the whole experimental process is in a high-temperature vacuum state, the water cooling system 2 is responsible for cooling the furnace body, the vacuum system 3 provides a vacuum environment for the experiment, the inner cavity shell 403 and the vacuum furnace tube 409 are assembled into the design of the inner cavity and the outer cavity of the furnace tube, and are respectively vacuumized, so that the sample is guaranteed to be in a cleaner environment, the vacuum degree is improved, and the pressure difference between the inner wall and the outer wall of the vacuum furnace tube 409 is negligible and cannot be extruded outside the high-temperature process because the inner cavity and the outer cavity of the furnace tube have very high vacuum degrees, and the inner and outer closed environment can guarantee the cleanness in the experimental process, so that the vacuum degree is better, the water cooling system 2 can be used for circularly cooling the inner wall and other sealing parts of the inner cavity in the interlayer formed by the outer cavity shell 402 and the inner cavity shell 403, and the service life of the high-temperature vacuum contact angle wetting analysis instrument is improved.
The remote feeding mechanism 6 comprises an electric push rod 608, the electric push rod 608 is fixedly connected to the top of the frame 1 and is located in the base box 406, a fixing plate 602 is fixedly connected to the telescopic end of the electric push rod 608, the fixing plate 602 is slidably connected with the base box 406, one end of the fixing plate 602 is fixedly connected with a connecting plate 601, the fixing plate 602 can be driven to move through the electric push rod 608, so that the connecting plate 601 is driven to move, a travel rail 609 is fixedly connected to the inside of the base box 406, a sliding table 610 is slidably connected to a sliding groove of the travel rail 609, the sliding table 610 is fixedly connected with the fixing plate 602, and therefore the electric push rod 608 drives the whole fixing plate 602 to move, and the movement track is accurate and stable to operate under the assistance of the two travel rails 609 and the sliding table 610.
The docking mechanism 7 comprises a fixed pipe 701, the fixed pipe 701 is fixedly connected to the top of the connecting plate 601, one end of the fixed pipe 701 is fixedly connected with a positioning ring 702, two discharging rods 703 are fixedly connected to the inside of the positioning ring 702, a sliding rod 705 is slidably connected to the inside of the discharging rods 703, one end of the sliding rod 705 is fixedly connected with a sliding plate 704, the sample placing mechanism 9 comprises two sliding blocks 91, the sliding blocks 91 are slidably connected to the inside of the discharging rods 703, one side of each sliding block 91 is fixedly connected with the sliding plate 704, the top of each sliding block 91 is fixedly connected with a discharging table 92, the high-temperature vacuum contact angle wetting analysis instrument is designed to automatically feed by an electric push rod 608, and as the stroke of the electric push rod 608 is fixed, a stroke range and a stroke switch are not required to be set, the movement of the fixed pipe 701 is driven through the movement of the fixed plate 602, the docking mechanism 9 can be docked with the vacuum furnace 409, and the sample placing mechanism 409 is transported to the inside of the vacuum furnace 409.
The top fixedly connected with bracket 604 and fixed plate 602 of frame 1, the top fixedly connected with liquid oil pipe 605 of bracket 604, the inside sliding connection of liquid oil pipe 605 has motion stopper 606, the inside grafting of motion stopper 606 and connecting plate 601 fixed connection, the inside of liquid oil pipe 605 has conveyer pipe 607, the other end of conveyer pipe 607 is pegged graft respectively in the one end of two blowing rods 703, the outer wall fixedly connected with oil inlet of liquid oil pipe 605, stretch out through electric putter 608, drive fixed plate 602 motion, simultaneously make docking mechanism 7 drive blowing rod 703 motion, simultaneously, connecting plate 601 will drive motion stopper 606 in the inside of liquid oil pipe 605, thereby carry out the liquid oil through conveyer pipe 607 back to liquid oil pipe 605, and slide bar 705 will slide in the inside of blowing rod 703, carry out sample placing mechanism 9 to the outside of vacuum furnace tube 409, make things convenient for personnel's sample and loft, in contrast, through the shrink of electric putter 608, can be in the blowing into blowing rod 703 through the conveyer pipe, thereby make 705 drive the motion of slide bar 607 to the middle part of furnace tube 9 and move blowing rod 703, the moving to the bellows structure of vacuum furnace tube 409, the vacuum bag is also reduced, the vacuum bag is convenient for the vacuum bag is moved to the side of the vacuum bag is moved, and is not fixed to the connecting plate 603, the vacuum bag is easy to be moved, and is reduced, and the vacuum bag is easy to move the bag is moved, and is protected by the flexible bag is moved, and is moved down by the connecting plate 603, and is convenient to move the bag's lower's position's ' is moved.
The sealing mechanism 8 comprises a shaft sleeve 801, the shaft sleeve 801 is fixedly connected to the outer wall of the fixed pipe 701, one end of the shaft sleeve 801 is fixedly connected with a spring 802, the other end of the spring 802 is fixedly connected with a sliding sleeve 803, the sliding sleeve 803 is slidably connected to the outer wall of the fixed pipe 701, a rubber ring is arranged on the outer wall of the sliding sleeve 803, when the fixed pipe 701 is in butt joint with one end of the vacuum furnace pipe 409, the sliding sleeve 803 is located inside the vacuum furnace pipe 409, due to the fact that the internal gas pressure is reduced when the vacuum furnace pipe 409 is vacuumized, the sliding sleeve 803 is enabled to be subjected to external pressure, the outer wall of the fixed pipe 701 slides to move towards the direction of the vacuum furnace pipe 409, the outer wall of the sliding sleeve 803 is provided with the rubber ring, and the rubber ring can be in contact with one end of the vacuum furnace pipe 409 when the sliding sleeve 803 moves, so that better sealing performance is provided, and the vacuum degree is better.
In the present embodiment, it is noted that: firstly, confirming that two vacuum valves on a vacuum pump set of a vacuum system 3 are in an open state, and air inlet pipes on two sides of a high-temperature vacuum furnace module 4 are in a closed state, and opening the two vacuum pumps to vacuumize after checking without errors, wherein the prior art is omitted.
The specific working mode is as follows:
When the high-temperature vacuum contact angle wetting analysis instrument is used, the electric push rod 608 is designed to automatically feed, and the stroke of the electric push rod 608 is fixed, so that a stroke range and a stroke switch are not required to be set, in addition, the electric push rod 608 drives the whole fixed plate 602 to move, and the movement track is accurate and stable to operate under the assistance of the two stroke tracks 609 and the sliding table 610;
The fixing plate 602 is driven to move through the extension of the electric push rod 608, meanwhile, the docking mechanism 7 drives the discharging rod 703 to move, meanwhile, the connecting plate 601 drives the moving plug 606 to slide in the liquid oil pipe 605, so that liquid oil is pumped back to the liquid oil pipe 605 through the conveying pipe 607, the sliding rod 705 slides in the discharging rod 703, the sample placing mechanism 9 is brought out of the vacuum furnace tube 409, and the sampling and lofting of personnel are facilitated;
In contrast, by means of the shrinkage of the electric push rod 608, liquid oil can be pumped into the discharging rod 703 through the conveying pipe 607 when the docking mechanism 7 is docked with the vacuum furnace tube 409, so that the sliding rod 705 drives the sample placing mechanism 9 to move towards the middle part of the vacuum furnace tube 409 and move below the silicon molybdenum heating rod 405, the structure shortens the movement stroke of the discharging rod 703, is beneficial to the convenient operation of personnel, reduces the volume of the vacuum furnace tube 409, and improves the efficiency in vacuumizing;
The silicon-molybdenum heating rod 405 heats the sample in a heat radiation mode to melt the sample into a liquid state, the wettability of the melted liquid on the surface of the discharging table 92 can be tested by the lens detection module 5, in addition, in the heating process, in order to prevent the sample from being oxidized, the inside of the vacuum furnace tube 409 is vacuumized by the vacuum system 3, while the high-temperature vacuum furnace module 4 is assembled into the design of the furnace tube inner cavity and the furnace tube outer cavity by the inner cavity shell 403 and the vacuum furnace tube 409, and vacuumization is respectively carried out, so that the sample is in a cleaner environment, the vacuum degree is improved, and the pressure difference between the inner wall and the outer wall of the vacuum furnace tube 409 can be ignored and can not be extruded in the high-temperature process, and the internal and external closed environment can ensure the cleanness in the experimental process, so that the vacuum degree is better;
during the period, the water cooling system 2 can be circularly cooled in the interlayer formed by the outer cavity shell 402 and the inner cavity shell 403 through the water receiving end 407 and the water discharging end 408, and can be used for protecting the inner wall of the inner cavity of the furnace tube and other sealing parts, so that the service life of the high-temperature vacuum contact angle wetting analysis instrument is prolonged;
In addition, when the vacuum furnace tube 409 is vacuumized, the internal gas pressure is reduced, so that the sliding sleeve 803 is subjected to the external pressure, the sliding sleeve 701 slides on the outer wall of the fixed tube 701 and moves towards the direction of the vacuum furnace tube 409, the outer wall of the sliding sleeve 803 is provided with rubber rings, and the rubber rings are contacted with one end of the vacuum furnace tube 409 when the sliding sleeve 803 moves, so that better sealing performance is provided, and when the docking mechanism 7 is far away from the vacuum furnace tube 409, the sliding sleeve 803 is reset under the action of the spring 802;
In addition, the high-temperature vacuum contact angle wetting analysis instrument can flush different gases into the cavity of the vacuum furnace tube 409 under the requirements of different customers, and the inner cavity and the outer cavity of the furnace tube are designed to protect rare gases from reacting with the silicon-molybdenum heating rod 405, so that the service life is influenced;
finally, the temperature data is transmitted to a computer through a protocol, and the application software controls the temperature rise current according to the temperature to realize closed-loop control.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the invention and is not intended to limit the scope of the invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a high temperature vacuum contact angle wetting analysis instrument, includes frame (1), water cooling system (2), vacuum system (3) and high temperature vacuum furnace module (4), the top of frame (1) is provided with camera lens detection module (5), water cooling system (2) can cool off high temperature vacuum furnace module (4), vacuum system (3) provide vacuum environment for high temperature vacuum furnace module (4), its characterized in that: a remote feeding mechanism (6) is arranged at one side of the high-temperature vacuum furnace module (4) and positioned at the top of the frame (1), a docking mechanism (7) is arranged at one side of the high-temperature vacuum furnace module (4), a sealing mechanism (8) is arranged on the outer wall of the docking mechanism (7), and a sample placing mechanism (9) is arranged in the docking mechanism (7);
A high-temperature vacuum furnace module (4) which is assembled into an interlayer formed by the outer cavity shell (402) and the inner cavity shell (403) and enables water in the water cooling system (2) to circulate in the interlayer through the water receiving end (407) and the water discharging end (408) to cool the inner wall of the inner cavity shell (403); the vacuum furnace tube is assembled into a furnace tube inner cavity and a furnace tube outer cavity through an inner cavity shell (403) and a vacuum furnace tube (409), the furnace tube inner cavity and the furnace tube outer cavity are independently sealed and isolated from each other, and a silicon molybdenum heating rod (405) heats a sample in the vacuum furnace tube (409) in a heat radiation mode;
The remote feeding mechanism (6) is assembled to be pushed by the electric push rod (608) to push the docking mechanism (7) to one end of the vacuum furnace tube (409) for docking, and meanwhile, the moving plug (606) slides in the liquid oil tube (605) to enable the sample placing mechanism (9) to move to the middle part of the vacuum furnace tube (409);
a slide bar (705) which slides inside the discharging rod (703) and controls the position of the sample placing mechanism (9) by the movement of the movement plug (606);
And the sealing mechanism (8) is arranged to enable the sliding sleeve (803) to approach the vacuum furnace tube (409) under the action of external pressure along with the reduction of the internal air pressure of the vacuum furnace tube (409) when the vacuum furnace tube (409) is vacuumized.
2. A high temperature vacuum contact angle wetting analysis instrument according to claim 1, wherein: the high-temperature vacuum furnace module (4) comprises a base box (406), base box (406) fixedly connected with top of frame (1), top fixedly connected with shell (401) of base box (406), the inside fixedly connected with outer chamber shell (402) of shell (401), the inside fixedly connected with inner chamber shell (403) of outer chamber shell (402), the inside fixedly connected with cotton platform (404) of inner chamber shell (403), the inside of one of them heat preservation cotton platform (404) is provided with a plurality of silicon molybdenum heating rods (405), outer chamber shell (402) and inner chamber shell (403) form a intermediate layer, the outer wall fixed mounting of outer chamber shell (402) has water receiving end (407) and drainage end (408), water receiving end (407) and drainage end (408) all dock with water cooling system (2), the inside fixedly connected with vacuum furnace tube (409) of shell (401), the inside of vacuum furnace tube (409) is the outer chamber, the inside of inner chamber shell (403) is the furnace tube, the inside of inner chamber (403) is the furnace tube, but vacuum furnace tube (409) is outside furnace tube system outside vacuum furnace tube (3) and vacuum furnace tube (409) are located outside furnace tube room, vacuum furnace tube (409) and vacuum furnace tube system outside the furnace tube.
3. A high temperature vacuum contact angle wetting analysis instrument according to claim 2, wherein: the remote feeding mechanism (6) comprises an electric push rod (608), the electric push rod (608) is fixedly connected to the top of the frame (1) and located in the base box (406), a fixing plate (602) is fixedly connected to the telescopic end of the electric push rod (608), the fixing plate (602) is slidably connected with the base box (406), and a connecting plate (601) is fixedly connected to one end of the fixing plate (602).
4. A high temperature vacuum contact angle wetting analysis instrument according to claim 3, wherein: the butt joint mechanism (7) comprises a fixed pipe (701), the fixed pipe (701) is fixedly connected to the top of the connecting plate (601), one end of the fixed pipe (701) is fixedly connected with a positioning ring (702), two discharging rods (703) are fixedly connected to the inside of the positioning ring (702), sliding rods (705) are connected to the inside of the discharging rods (703) in a sliding mode, and sliding plates (704) are fixedly connected to one end of each sliding rod (705).
5. A high temperature vacuum contact angle wetting analysis instrument according to claim 4, wherein: the sample placement mechanism (9) comprises two sliding blocks (91), the sliding blocks (91) are connected to the inside of the discharging rod (703) in a sliding mode, one side of each sliding block (91) is fixedly connected with the sliding plate (704), and the tops of the two sliding blocks (91) are fixedly connected with the discharging table (92).
6. A high temperature vacuum contact angle wetting analysis instrument according to claim 5, wherein: the top fixedly connected with bracket (604) and fixed plate (602) of frame (1), the top fixedly connected with liquid oil pipe (605) of bracket (604), the inside sliding connection of liquid oil pipe (605) has motion stopper (606), the one end and the connecting plate (601) fixed connection of motion stopper (606), the inside grafting of liquid oil pipe (605) has conveyer pipe (607), the other end of conveyer pipe (607) is pegged graft respectively in the one end of two blowing poles (703), the outer wall fixedly connected with oil inlet of liquid oil pipe (605).
7. A high temperature vacuum contact angle wetting analysis instrument according to claim 3, wherein: the inside fixedly connected with stroke track (609) of base case (406), sliding connection has slip table (610) in the spout of stroke track (609), slip table (610) and fixed plate (602) fixed connection.
8. A high temperature vacuum contact angle wetting analysis instrument according to claim 6, wherein: one side of the fixed plate (602) is fixedly connected with a corrugated bag (603), and the other end of the corrugated bag (603) is fixedly connected with the connecting plate (601).
9. A high temperature vacuum contact angle wetting analysis instrument according to claim 4, wherein: sealing mechanism (8) are including axle sleeve (801), axle sleeve (801) fixedly connected with is in the outer wall of fixed pipe (701), the one end fixedly connected with spring (802) of axle sleeve (801), the other end fixedly connected with slip cap (803) of spring (802), slip cap (803) sliding connection is in the outer wall of fixed pipe (701), the outer wall of slip cap (803) is equipped with the rubber ring, when the one end of fixed pipe (701) and vacuum furnace tube (409) dock, slip cap (803) is located the inside of vacuum furnace tube (409).
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